This is a 1 Channel Passive Receiver+1 Channel Passive Transmitter Video Balun, through 5 type twisted pair wire color video signal can transmit 0~330 meters far.

• Full-motion CCTV video at distances up to 330m when used with any passive transceiver
• Up to 1500m with any active UTP video receiver
• Tool-less, installs in seconds, no need to strip the wires
• NTSC, PAL, and SECAM video formats
• No power required
• 60dB crosstalk and noise immunity
• Male BNC allows connection directly to the camera or DVR
• Transmit distance:  0~330 meters
• FCC, CE, RoHS certificated